1. Enter relevant research keywords through professional academic search engines, such as Google Academic, WebofScience, ScienceDirect, IEEEXplore, etc. These platforms provide rich academic resources, which can help to discover the research status of foreign countries in this field.
2. Using professional foreign language periodical databases, such as Springer and Elsevier, you can find and download professional foreign language literature through these platforms.
3. Records of visits to academic conferences. Many academic research results will be published in the form of conference papers. You can find the latest research results by searching relevant academic conferences.
4. Use professional translation software, such as CNKI translation assistant, to help understand the contents of foreign documents.
Through library search, libraries usually have a large number of paper and electronic resources, which can provide detailed research materials. In addition, we can learn about the research status abroad through the review articles of reading chinese and the first chapter of the master's thesis.